JP2635202B2 - 汎用デコーダ - Google Patents

汎用デコーダ

Info

Publication number: JP2635202B2
Authority: JP; Japan
Prior art keywords: synchronization; horizontal; signal; timing signal; blanking period
Prior art date: 1989-07-21
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired - Fee Related

Application number

JP2193785A

Other languages

English (en)

Japanese (ja)

Other versions

JPH03101577A (ja

Inventor

ラルフ・ピー・ハーニー

マイケル・エル・ハイタワー

アンソニー・ジェイ・ウェシュセルバーガー

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

OO SHII AI KOMYUNIKEESHONZU Inc

Original Assignee

OO SHII AI KOMYUNIKEESHONZU Inc

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1989-07-21

Filing date

1990-07-21

Publication date

1997-07-30

1990-07-21 Application filed by OO SHII AI KOMYUNIKEESHONZU Inc filed Critical OO SHII AI KOMYUNIKEESHONZU Inc

1991-04-26 Publication of JPH03101577A publication Critical patent/JPH03101577A/ja

1997-07-30 Application granted granted Critical

1997-07-30 Publication of JP2635202B2 publication Critical patent/JP2635202B2/ja

2012-07-30 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

238000011084 recovery Methods 0.000 claims description 27
230000001629 suppression Effects 0.000 claims description 21
238000000034 method Methods 0.000 claims description 14
230000001360 synchronised effect Effects 0.000 claims description 8
230000002238 attenuated effect Effects 0.000 claims description 3
230000000295 complement effect Effects 0.000 claims description 2
238000001514 detection method Methods 0.000 claims 6
230000000737 periodic effect Effects 0.000 claims 1
230000006870 function Effects 0.000 description 8
238000010586 diagram Methods 0.000 description 5
230000008901 benefit Effects 0.000 description 2
230000008859 change Effects 0.000 description 2
239000003990 capacitor Substances 0.000 description 1
230000001934 delay Effects 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
230000002093 peripheral effect Effects 0.000 description 1
230000008569 process Effects 0.000 description 1
230000001960 triggered effect Effects 0.000 description 1

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
- H04N7/171—Systems operating in the amplitude domain of the television signal
- H04N7/1713—Systems operating in the amplitude domain of the television signal by modifying synchronisation signals
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
- H04N7/171—Systems operating in the amplitude domain of the television signal
- H04N7/1716—Systems operating in the amplitude domain of the television signal by inverting the polarity of active picture signal portions

Landscapes

Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Television Systems (AREA)
Compression, Expansion, Code Conversion, And Decoders (AREA)
Details Of Television Scanning (AREA)
Semiconductor Lasers (AREA)
Synchronizing For Television (AREA)
Compression Or Coding Systems Of Tv Signals (AREA)

JP2193785A 1989-07-21 1990-07-21 汎用デコーダ Expired - Fee Related JP2635202B2 (ja)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US38289989A	1989-07-21	1989-07-21
US382899		1989-07-21

Publications (2)

Publication Number	Publication Date
JPH03101577A JPH03101577A (ja)	1991-04-26
JP2635202B2 true JP2635202B2 (ja)	1997-07-30

Family

ID=23510887

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP2193785A Expired - Fee Related JP2635202B2 (ja)	1989-07-21	1990-07-21	汎用デコーダ

Country Status (14)

Country	Link
EP (1)	EP0409211B1 (de)
JP (1)	JP2635202B2 (de)
AR (1)	AR244481A1 (de)
AT (1)	ATE124833T1 (de)
AU (1)	AU621762B2 (de)
BR (1)	BR9003532A (de)
CA (1)	CA2020313C (de)
DE (1)	DE69020654T2 (de)
DK (1)	DK0409211T3 (de)
ES (1)	ES2077612T3 (de)
GR (1)	GR3017056T3 (de)
IL (1)	IL94988A0 (de)
NO (1)	NO179060C (de)
PL (1)	PL163971B1 (de)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4222068A (en) *	1978-11-02	1980-09-09	American Television And Communications Corporation	Subscription television apparatus and methods
US4338628A (en) *	1979-12-19	1982-07-06	Dynacom International, Inc.	Scrambled video communication system
US4336553A (en) *	1980-05-14	1982-06-22	Oak Industries	Method of coding audio and video signals
US4965825A (en) *	1981-11-03	1990-10-23	The Personalized Mass Media Corporation	Signal processing apparatus and methods
JPS60103789A (ja) *	1983-11-10	1985-06-08	Sanyo Electric Co Ltd	テレビジヨン信号のスクランブル方式
US4571615A (en) *	1983-06-10	1986-02-18	General Instrument Corporation	Timing generator for sync suppressed television signals
US4815129A (en) *	1985-01-02	1989-03-21	General Instrument Corp.	Video encryption system
JPS6260383A (ja) *	1985-09-10	1987-03-17	Matsushita Electric Ind Co Ltd	映像信号処理装置
JPS63122388A (ja) *	1986-11-12	1988-05-26	Hitachi Ltd	同期再生回路
US4928309A (en) *	1989-03-31	1990-05-22	General Instrument Corporation	Method and apparatus for descrambling a television signal

1990
- 1990-07-03 CA CA002020313A patent/CA2020313C/en not_active Expired - Fee Related
- 1990-07-05 IL IL94988A patent/IL94988A0/xx not_active IP Right Cessation
- 1990-07-11 AU AU58903/90A patent/AU621762B2/en not_active Ceased
- 1990-07-18 DK DK90113788.5T patent/DK0409211T3/da active
- 1990-07-18 DE DE69020654T patent/DE69020654T2/de not_active Expired - Fee Related
- 1990-07-18 AT AT90113788T patent/ATE124833T1/de not_active IP Right Cessation
- 1990-07-18 EP EP90113788A patent/EP0409211B1/de not_active Expired - Lifetime
- 1990-07-18 ES ES90113788T patent/ES2077612T3/es not_active Expired - Lifetime
- 1990-07-20 BR BR909003532A patent/BR9003532A/pt not_active IP Right Cessation
- 1990-07-20 AR AR90317430A patent/AR244481A1/es active
- 1990-07-20 PL PL90286151A patent/PL163971B1/pl unknown
- 1990-07-20 NO NO903252A patent/NO179060C/no not_active IP Right Cessation
- 1990-07-21 JP JP2193785A patent/JP2635202B2/ja not_active Expired - Fee Related
1995
- 1995-08-09 GR GR950402180T patent/GR3017056T3/el unknown

Also Published As

Publication number	Publication date
BR9003532A (pt)	1991-08-27
GR3017056T3 (en)	1995-11-30
EP0409211A3 (en)	1992-06-03
NO903252L (no)	1991-01-22
IL94988A0 (en)	1991-06-10
AR244481A1 (es)	1993-10-29
EP0409211A2 (de)	1991-01-23
DE69020654T2 (de)	1995-11-30
CA2020313C (en)	1996-06-11
AU5890390A (en)	1991-01-24
NO179060B (no)	1996-04-15
NO903252D0 (no)	1990-07-20
NO179060C (no)	1996-08-28
ATE124833T1 (de)	1995-07-15
PL286151A1 (en)	1992-01-27
ES2077612T3 (es)	1995-12-01
CA2020313A1 (en)	1991-01-22
DK0409211T3 (da)	1995-11-20
EP0409211B1 (de)	1995-07-05
DE69020654D1 (de)	1995-08-10
PL163971B1 (pl)	1994-06-30
AU621762B2 (en)	1992-03-19
JPH03101577A (ja)	1991-04-26

Legal Events

Date	Code	Title	Description
2004-05-11	R250	Receipt of annual fees	Free format text: JAPANESE INTERMEDIATE CODE: R250
2005-04-25	LAPS	Cancellation because of no payment of annual fees

Publication	Publication Date	Title
US4336553A (en)	1982-06-22	Method of coding audio and video signals
US4353088A (en)	1982-10-05	Coding and decoding system for video and audio signals
US4424532A (en)	1984-01-03	Coding and decoding system for video and audio signals
EP0572740B1 (de)	1998-09-09	Zusatzvideodatentrenner
JP3289106B2 (ja)	2002-06-04	補助ビデオ・データ・デコーダ装置
US5666167A (en)	1997-09-09	Bias control apparatus for a data slicer in an auxiliary video information decoder
EP0630545B1 (de)	1999-04-21	Slicer für zusätzliche videodaten
US5113440A (en)	1992-05-12	Universal decoder
JPH0328117B2 (de)	1991-04-18
GB2078052A (en)	1981-12-23	Video signal coding by polarity reversal
US4636852A (en)	1987-01-13	Scrambling and descrambling of television signals for subscription TV
US4591910A (en)	1986-05-27	Horizontal picture centering
US4673975A (en)	1987-06-16	Television signal scrambling apparatus
JP2635202B2 (ja)	1997-07-30	汎用デコーダ
US4491870A (en)	1985-01-01	Digital sync separator
EP0660989B1 (de)	1998-01-07	Referenzspannungssteueranlage für Datenslicer in einem Dekodierer für Zusatzvideoinformation
KR100268143B1 (ko)	2000-10-16	수평 동기 신호 발생 회로 및 방법
US4746842A (en)	1988-05-24	Circuit arrangement for generating a sawtooth-shaped signal for the field deflection in a picture display device
US5784121A (en)	1998-07-21	Vertical synchronisation signal detector
US4390899A (en)	1983-06-28	Television signal processing system
US3466385A (en)	1969-09-09	Correlation testing arrangement for a subscription television receiver
US4712237A (en)	1987-12-08	Method and apparatus for unscrambling sync-suppressed television signals
JP3480573B2 (ja)	2003-12-22	ビデオ信号処理装置
KR100225356B1 (ko)	1999-10-15	방송신호의 스크램블링 및 디스크램블링 장치
KR100225357B1 (ko)	1999-10-15	방송신호의 스크램블링 및 디스크램블링 장치